Pdf   Hardware Theory of Operations Manual
Pdf   Monitor Theory of Operations Manual
  sym1_monitor_theory_of_operations.pdf - 77 pages, 6.4 MB
Pdf   SYM-1 Reference Manual
  sym1_reference_manual.pdf - 255 pages, 13.9 MB
Pdf   SYM-1 Technical Notes
  sym1_technical_notes.pdf - 57 pages, 4.2 MB